<?php

namespace App\Exceptions;

use Exception;
use Illuminate\Auth\AuthenticationException;
use Illuminate\Foundation\Exceptions\Handler as ExceptionHandler;

class Handler extends ExceptionHandler
{
    /**
     * A list of the exception types that should not be reported.
     *
     * @var array
     */
    protected $dontReport = [
        \Illuminate\Auth\AuthenticationException::class,
        \Illuminate\Auth\Access\AuthorizationException::class,
        \Symfony\Component\HttpKernel\Exception\HttpException::class,
        \Illuminate\Database\Eloquent\ModelNotFoundException::class,
        \Illuminate\Session\TokenMismatchException::class,
        \Illuminate\Validation\ValidationException::class,
    ];

    /**
     * Report or log an exception.
     *
     * This is a great spot to send exceptions to Sentry, Bugsnag, etc.
     *
     * @param  \Exception  $exception
     * @return void
     */
    public function report(Exception $exception)
    {
		
        parent::report($exception);
    }

    /**
     * Render an exception into an HTTP response.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  \Exception  $exception
     * @return \Illuminate\Http\Response
     */
    public function render($request, Exception $exception)
    {
	
		
		switch($exception){
			//使用类型运算符 instanceof 判断异常(实例)是否为 ModelNotFoundException
			case ($exception instanceof ModelNotFoundException):
				//进行异常处理
				return $this->renderException($exception);
            break;
			default:
				// return redirect('/');
				return parent::render($request, $exception);
		}
		
		// 最原始
        // return parent::render($request, $exception);
    }
	
	
	//处理异常（自定义的方法）
	protected function renderException($e)
	{

	   switch($e)
	   {

			case ($e instanceof ModelNotFoundException):
			   //自定义处理异常，此处我们返回一个404页面
			   return view('errors.404');
			break;
			default:
				//如果异常非ModelNotFoundException，我们返回laravel默认的错误页面
				return (new SymfonyDisplayer(config('app.debug')))
					  ->createResponse($e);

	   }

	}
	
	

    /**
     * Convert an authentication exception into an unauthenticated response.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  \Illuminate\Auth\AuthenticationException  $exception
     * @return \Illuminate\Http\Response
     */
    protected function unauthenticated($request, AuthenticationException $exception)
    {
        if ($request->expectsJson()) {
            return response()->json(['error' => 'Unauthenticated.'], 401);
        }

        return redirect()->guest('login');
    }
}
